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L L; SAGENDORPH 86 G. U. KEENE.

POWER SHB'ARING MACHINE.

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Patented Feb. -7, 1888 (No Model.) ssneets-sneet z.

' L. L. SAGENDORPH & G. C. KEE'NE.

POWER SHEARING MACHINE.

N0. 377,500.- Patented- Feb. 7, 1888..

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L.,'L. SAGENDORPH & G. 0. KEENE.

POWER SHEABING MACHINE ,Pat'ented Feb. '7, 1888.

(No ModL).

(No Model.) 5 Sheets-Shet 5. L. L SAGENDORPH G. G. K'EENE.

POWER SHEARING MAGHINE.

Patented Feb; 7, 1888.

Mttestf v IQ M'ofi u. PEIERS. m uowmphen Washington p a NITED STATESPATENT ()rrrcE.

LONGLEY LEWIS sAenNDORPH AND GEORGE o. KEENE, OF CINCINNATI, OHIO,ASSIGNORS or ONE-THIRD TO HARLAN P. LLOYD, or SAME PLACE.

POWER SHEARlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 377,500, dated February7, 1888.

4 Application filed October 24, 1887. Serial No. 253,186. (No model.)

To all whom it may concern.-

Be it known that we, LONGLEY Lnwis SA- GENDORPH and GEORGE O. KEENE,both citizensofthe United States, and residents of Oin- 5 cinnati,Hamilton county, State of Ohio, have jointly invented certain new anduseful Improvements in Power Shearing-Machines, of which the followingis a specification.

In the accompanying drawings, forming part of this specification, Figure1 is a view in elevation of the front side of our improved ma chine.'Fig. 2 is a view in elevation of the back side of the machine. Fig. 3is a top view of the machine, the top portion of the frame andtoggle-arms being removed. Fig. 4 is a view in elevation oftheright-hand end of the machine, showing the preferred form ofmechanism for operating the large verticallyr'reciprocating knife. Fig.5 is a view in elevation of the left-hand end'of the machine, showingthe preferred form of construction for the short end reciprocating barand knife. Fig. 6 is a central sectional view taken at the line a; x ofFig. 5, showing the manner of connecting the eccentric K and bar I tothe frame. Fig. 7 is a View in elevation of one end of the endcutting-bar, the eccentric being shown in section. Fig. 8 is a sectionalview taken through one of the back corner-posts of the frame and a partof the side reciprocating bar to which the knife is attached, showingthe preferred'form of connection and guide for said bar. Fig. 9 is aview in side elevation, showing one form of connection for thegage-bar-and bed-plate. Fig. 10 is a cross-section of the sidereciprocating bar and knife. Fig. 11 is a crosssection of the endreciprocating cutter-bar and knife, showing the device for lateraladjustment of said knife. Fig. 12 is a vertical transverse section takenthrough the center of the machine at right angles to the plane of Fig.1.

The machine as a whole is supported by two castframes, A, held to placebyhaving the bed-plate O screwed thereto, as shown in Figs. 5 4. and 5,and bythe top beam,.B, as shown in Figs. 1 and 2. These frames A areeach cast in one piece and hollow, forming three flanges,

as shown'in section in Fig. 3.

The bed-plate C is secured to the frames A by means of screw-boltspassed through the upper flanges of the center portions, a, of the thatthe outer surface of said knife will come flush with the outer surfaceof the bed-plate top back edge of this bed-plate O .is secured the knifeD, which fits in a suitable recess, so.

and the top cutting-edge flush with the top sur- I face of thebed-plate. This knife D is secured to the bed-plate by suitablescrew-bolts, d, the heads of which are countersunk in the knife, thebolts extending through the flanged por tion-of the bed-plate andscrewed thereto on v the under side.

The bed-plate is preferably cast hollow on its under surface, forming aflange on all' four of its sides. The slots in the side flanged portionof the bed-plate through which thebolts d pass are vertically elongatedto admit of the knife D being vertically adjusted on said bed.

To accomplish this object suitable lugs, c, are

cast to the lower back edge ofthe bed-plate, as shown in Fig. 2, throughwhich is made-a screw-threaded hole, into which the set-bolts 0 pass andoperate. tically the knife is loosened from the bedplate. The bolts 0,bearing against the lower To adjust this knife veredge of the knife, arescrewed up or down, as Y .may be desired, to properly adjust the knife.

The knife being properly adjusted, the nuts on the bolts d on the underside of the'bedplate (not shown) are screwed up tightly, holding saidknife firmly to the bed-plate. The

Object of this adj ustment -is to set thecuttingedge of the knife withreference to the top surface of the bed-plate. The short knife D on theend of the bed-plate (shown in Fig. 5)

is secured thereto in a manner similar to the long knife D, justdescribed, having similar set-bolts for vertical adjustment.

In order to adjust the cutting-edge of knife D laterally, we haveprovided the following effectual device: The bed-plate rests on thecenter portions, a, of the frames A, as shown in Figs. 4 and 5, and doesnot occupy allth e 3 space between the corner-posts of saidframes,

sufficient space being left to permit the bedplate being moved back andforth. Suitable loo screw'threaded bolts, cflpass through screwthreadedholes in the inner flanges of the frame-posts, said bolts bearingagainst the sides of the bed-plate. Vhen the knife .D needs lateraladjustment, the nuts d are unscrewed and' the bed-plate set at thedesired position. The nuts d are then tightened and the setbolts cscrewed up against said plate, thus securing it firmly in position.

Having now described the preferable construction of the bed-plate andknives and the means for their vertical and lateral adj ustment, we willnow briefly describe the construction and operation of thevertically-reciprocating cutter-bar and knife 0. This reciprocating barE is recessed on its lower front surface, into which the knife 6 isproperly secured. This bar E has cast thereto the rib E to affordstrength to the bar. The bar E is secured to the inner surface of theframes A by means of the guides e, as shown in Figs?- and 8, and is madeto slide up and down in said guides in the following preferable manner:To the upper portion of this bar E are pivoted the lower toggle-arms F,the top ends of said arms being suitably secured to the operating-bar G.The upper set of toggle-arms F are similarly secured to said bar G andto the top beam, B, as shown in Figs. 1 and 2. To one end of this bar Gis pivoted the arm 9, which latter is suitably attached to the eccentricH. This eccentric is attached to the shaft h, which latter is rotatedthrough the agency of pinion h,meshing with pinion h on shaft h Theshaft h is rotated by means of the band-wheel h, secured thereto. Thetwo shafts h and k operate in suitable journals secured to the endframe, as shown in Fig. 4. Power being applied to the band-wheel, theeccentric H is made to rotate by means of the mechanism just described.This rotation of the eccentric causes the arm 9 to advance,and with itthe bar G. This advancement of the bar G (through the medium of thetoggle-arms F) causes the bar E to descend, and with it the knife 6. Theforward end of this bar and knife is somewhat wider than the other end,and when the knife 6 descends the forward end will begin. to cut first,and continues with a shearing cut the length of the bed-plate.

The eccentrically-reciprocating bar I at the end of theframe to whichthe knife J is secured is constructed and operated by hand-power, asfollows: In each end of this bar I is the elongated recess i, as shownin Fig. 7, in which the eccentric K rotates. When the eccentric is inthe position shown in Fig. 7, the end of the bar and knife is raised,and when given half a turn it is lowered. This eccentric K has cast toit the outer casing, is, to which is secured the handle 7c. To shear offthe end of a piece of metal, it is placed between the two knives D and Jat the desired point, and one of the handles, 7c, is then given aboutonehalf a turn, causing the knife J todescend and partly cut the sheet.The other eccentric is now operated, completing the cut. One

end of this bar and knife may be left down and the cutting allaccomplished by means of one of the eccentrics; but for shearing heavymetal it is preferred to use both eccentrics.

The lateral adjustment of the end knife, J, is accomplished in thefollowing manner: The knife being suitably secured to the bar I, we haveprovided the set-screws j, which screw through the plate I, as shown inFig. 5, and bear against the knife J, as shown in Fig. 11. By thisarrangement thelateral adjustment of the knife J is accomplished.

To properly measure the sheet to be cut,we have provided two devices,viz: In the first device the scale of inches is cut into the top of thebedplate, as shown in Fig. 3, and the measurement taken from the back ofsaid plate by means of the gage L. This gage has the slotted extensionsZ, to which the bracket Z is connected by means of the setscrew P. Thebracket Z is rigidly attached to the front face of the bed'plate, asshown in Fig. 9. The other device for measurement consists in attachingto the back frame of the machine the slotted brackets M, having thescale of inches thereon. To these brackets are secured the T-rail M bymeans of suitable set-screws. Whenthis last-named device is used, themeasurement is taken backward from the back of the bed-plate, thusmeasuring the strip cut off instead of the strip left on the bed-plate.

To firmly hold the strips of sheet metal on the bed-plate in positionfor cutting after the proper measurements have been taken, the followingdevice is preferably employed: The clamping-bar N is preferably made ofwood and is suspended and held from off the bedplate near the cutter-barE by means of the springs N, attached to the beam B. To each of the endframes are properly secured the eccentrics O, the handles of which areconnected by the reciprocating rod 0, as shown in Fig. 1. In Fig. 1 thisclamping-bar N is shown raised. When desired to clamp the sheets ofmetal, the handles of the eccentrics O are turned to the right, theweight of said eccentrics and handles being sufficient to hold the barfirmly in place. When desired to remove the sheets of metal, the handlesof said eccentrics are turned to the left, releasing the clamping-bar,which latter is raised by the resiliency of springs N.

To stop and start the machine at pleasure, we have provided the usualclutch, P, to engage and disengage with the band-wheel. This clutch isoperated by the foot-treadles p and p, the former being used todisengage and the latter to engage said clutch with the bandwheel, asshown in Figs. 1 and 4.

If desired to raise the vertically-reciprocating bar E and knife withoutapplying power to the band-wheel, we have provided the handwheel Q, madestationary to shaft h, by means of which the said bar can be easilyraised and the metal inserted to be sheared.

Having given in detail the construction and ICO operation of each partof our machine separately, we will now give a brief description of theoperation as a whole.

of time.

If the metal to be cut is not of proper length, it is out by means ofthe knives D and J at the end of the machine, as shown in Fig. 5. Havingthe metal cut to proper length, the desired width of the sheet ismeasured ofi by either of the two devices afore described, and thenclamped to the bed-plate by means of bar N and eccentrics O. The metalbeing now in position to be sheared, power is applied to the band-wheel,when the reciprocating bar E and knife 6 are made to descend by means ofthe connecting and operating mechanism described, one revolution of theeccentric being sufficient to cause said bar and knife to descend andrise again. Several sheets of metal may be sheared at one operation.

The advantages of our machine are apparcut, and consist in thefacilities for shearing large quantities of sheet metal in a shortlength The mechanism employed is simple and strong in construction andis cheap of manufacture.

The means employed for vertical and lateral adjustment of the long knifeon the bed-plate, as hereinbefore described, is quite an advantage, andis very effectual fortha-t purpose.

WVhile the various features of our invention are preferably employedtogether, one or more of said features may be employed without theremainder, and in so far as applicable one ormore of said features maybe employed in connection with shearing-machines of a constructiondiffering from that herein described.

\Ve are aware that it is not new in a power shearing-machine to operatethe vertical reciprocating knife by means of toggle-arm-connect-' ingmechanism such as is shown and claimed in an application of L. L.Sagendorph, (one of the inventors herein,) Serial No. 241,220, and

- hence do not claim that feature, broadly, in

this application; but

What weclaim as new, and desire to secure by Letters Patent, is

1. In a shearing-machine, the bed-plate carrying a suitable knife on theside thereof and means, substantially as set forth, for vertical andlateral adjustment of said knife, in combination with a verticalreciprocating knife adapted to operate at right angles to saidlaterally-adjustable knife on the bed-plate, and

mechanism, substantially as described, for operating said verticallyreciprocating knife, substantially as set forth. 2. In ashearing-machine, the bed-plate 0, having knife D suitably securedthereto and capable of vertical adjustment, frames A, and bolts c ,forlateral adjustment of said bed-plate and knife attached thereto, incombination with a vertically-reciprocating knife, 6, adapted tovoperate at right angles'to knife D, substantially as specified.

' 3. In a shearing-machine, the bed-plate 0, having knives D and Dsuitably secured thereto and capable of vertical adjustment,

frames A, and bolts 0, for lateral adjustment of knife D, in combinationwith the vertical re-' ciprocating knives e and J, substantially as setforth, and for thepurposes specified.

- 4. Inashearing-machine, he combination of frames A, bed-plate .0,having knife- D at- LONGLEY LEWIS SAGENDORPH. GEORGE C. KEENE.

Witnesses:

Enwn. W. PELTON, SAMUEL FoRsY'rHE.

